20007325420

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{419}}^1\times {\mathrm{6841}}^1$

素因数の和:7618

約数の個数: 48

約数和(自身を含む): 42242508000

約数和(自身を除く): 22235182580

約数列:

[1, 2, 4, 5, 10, 20, 349, 419, 698, 838, 1396, 1676, 1745, 2095, 3490, 4190, 6841, 6980, 8380, 13682, 27364, 34205, 68410, 136820, 146231, 292462, 584924, 731155, 1462310, 2387509, 2866379, 2924620, 4775018, 5732758, 9550036, 11465516, 11937545, 14331895, 23875090, 28663790, 47750180, 57327580, 1000366271, 2000732542, 4001465084, 5001831355, 10003662710, 20007325420]

約数ペア:

[(1, 20007325420), (2, 10003662710), (4, 5001831355), (5, 4001465084), (10, 2000732542), (20, 1000366271), (349, 57327580), (419, 47750180), (698, 28663790), (838, 23875090), (1396, 14331895), (1676, 11937545), (1745, 11465516), (2095, 9550036), (3490, 5732758), (4190, 4775018), (6841, 2924620), (6980, 2866379), (8380, 2387509), (13682, 1462310), (27364, 731155), (34205, 584924), (68410, 292462), (136820, 146231)]